Features 5 Size Types: Includes M4, M5, M6, M8, and M10 sizes, ensuring a versatile and practical solution for various applications. 304 Stainless Steel: Crafted from high-strength 304 stainless steel, providing exceptional resistance to high temperatures, cold, and humidity for long-lasting durability. Storage Box: Comes in a box, organized by size, preventing loss and ensuring easy access to the right washer when needed. and Oxidation Resistant: Offers exceptional resistance to , , and oxidation, ensuring longevity and reliability in various environments. Wide Range of Uses: Suitable for interior decoration, outdoor construction, electrical maintenance, and furniture repair, providing a versatile solution for multiple applications. Features: 1、5 Size Types: Knurled spring washer kit is available in 5 size types, namely M4 M5 M6 M8 M10, safe and practical. 2、304 Stainless Steel: Knurled spring washers are made of 304 stainless steel for high strength and resistance to high temperature, cold and high humidity. 3、Storage Box: All washers are packed in a strong and box, stored in specifications to prevent loss, and it is easy to find the right size washer. 4、 and Oxidation Resistant: Serrated conical spring washers are resistant, proof and oxidation resistant, which can be done for longer term use. 5、Wide Range of Uses: Knurled spring washers are widely used for interior decoration, outdoor construction, electrical maintenance and furniture repair. Specification: Item Type: Knurled Spring Washer Material: 304 Stainless Steel Package List: 20 x M4 Washer 30 x M5 Washer 40 x M6 Washer 30 x M8 Washer 20 x M10 Washer 1 x Storage Box Package List 20 x M4 Washer 30 x M5 Washer 40 x M6 Washer 30 x M8 Washer 20 x M10 Washer 1 x Storage Box